/* sample 1 */

h2,
p {
    color: gray;
}

/* sample 2 */

body,
table,
th,
td,
h1,
h2,
h3,
h4,
p,
pre,
strong,
em,
b,
i {
    color: gray;
}

/* sample 3 */

h1 {
    color: purple;
}

h2 {
    color: purple;
}

h3 {
    color: purple;
}

h4 {
    color: purple;
}

h5 {
    color: purple;
}

h6 {
    color: purple;
}

h1,
h2,
h3,
h4,
h5,
h6 {
    color: purple;
}

/* sample 4 */

/* group 1 */

h1 {
    color: silver;
    background: white;
}

h2 {
    color: silver;
    background: gray;
}

h3 {
    color: silver;
    background: gray;
}

h4 {
    color: white;
    background: gray;
}

b {
    color: gray;
    background: white;
}

/* group 2*/

h1,
h2,
h4 {
    color: silver;
}

h2,
h3 {
    background: gray;
}

h1,
h4,
b {
    background: white;
}

/* group 3 */

h1,
h4 {
    color: silver;
    background: white;
}

h2 {
    color: silver;
}

h3 {
    color: white;
}

h2,
h3 {
    background: gray;
}

b {
    color: gray;
    background: white;
}